Cov ntsiab lus ntawm HDMI (High-Definition Multimedia Interface)

   HDMI yog ib qho kev hloov kho digital ntawm cov qauv analog video uas twb muaj lawm.

HDMI ua raws li tus qauv EIA/CEA-861, uas txhais cov video hom thiab waveform, kis tau tus mob hom compressed thiab uncompressed suab (xws li LPCM suab), kev ua cov ntaub ntawv pab, thiab kev siv VESA EDID. Nws yog ib qho tsim nyog sau cia tias CEA-861 teeb liab nqa los ntawm HDMI yog hluav taws xob ua tau zoo nrog CEA-861 teeb liab siv los ntawm digital vision interface (DVI), uas txhais tau hais tias thaum siv DVI rau HDMI adapter, tsis tas yuav muaj teeb liab. hloov dua siab tshiab thiab tsis poob ntawm video zoo.

Tsis tas li ntawd, HDMI kuj muaj CEC (Consumer Electronics Control) muaj nuj nqi, uas tso cai rau HDMI cov cuab yeej tswj tau ib leeg thaum tsim nyog, kom cov neeg siv tau yooj yim ua haujlwm ntau yam khoom siv nrog ib qho chaw taws teeb tswj. Txij li thaum thawj qhov kev tso tawm ntawm HDMI thev naus laus zis, ntau lub versions tau raug tso tawm, tab sis tag nrho cov versions siv tib lub cables thiab connectors. Qhov tshiab HDMI version kuj muab cov yam ntxwv siab dua, xws li kev txhawb nqa 3D, Ethernet cov ntaub ntawv sib txuas, thiab txhim kho suab thiab video ua tau zoo, muaj peev xwm thiab kev daws teeb meem.

Kev tsim khoom ntawm cov neeg siv khoom siv HDMI pib thaum kawg ntawm xyoo 2003. Hauv Tebchaws Europe, raws li HD Ready daim ntawv qhia tshwj xeeb sib koom ua ke los ntawm EICTA thiab SES Astra hauv xyoo 2005, HDTV TVs yuav tsum txhawb nqa DVI-HDCP lossis HDMI interfaces. Txij li xyoo 2006, HDMI tau maj mam tshwm sim hauv cov neeg siv khoom siv lub koob yees duab TV thiab cov koob yees duab zoo li qub. Raws li lub Ib Hlis 8, 2013 (xyoo kaum tom qab tso tawm thawj HDMI specification), ntau tshaj 3 billion HDMI li tau muag thoob ntiaj teb.